Is 1385 a prime number?

1 385 is an odd number, because it is not evenly divisible by 2.

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• What is an even number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 1 385 is about 37.216.

Thus, the square root of 1 385 is not an integer, and therefore 1 385 is not a square number.

The square of a number (here 1 385) is the result of the product of this number (1 385) by itself (i.e., 1 385 × 1 385); the square of 1 385 is sometimes called "raising 1 385 to the power 2", or "1 385 squared".

The square of 1 385 is 1 918 225 because 1 385 × 1 385 = 1 385² = 1 918 225.

As a consequence, 1 385 is the square root of 1 918 225.

1 385 is a number with 4 digits.

The multiples of 1 385 are all integers evenly divisible by 1 385, that is all numbers such that the remainder of the division by 1 385 is zero. There are infinitely many multiples of 1 385. The smallest multiples of 1 385 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 1 385 too, since 0 × 1 385 = 0
• 1 385: indeed, 1 385 is a multiple of itself, since 1 385 is evenly divisible by 1 385 (we have 1 385 / 1 385 = 1, so the remainder of this division is indeed zero)
• 2 770: indeed, 2 770 = 1 385 × 2
• 4 155: indeed, 4 155 = 1 385 × 3
• 5 540: indeed, 5 540 = 1 385 × 4
• 6 925: indeed, 6 925 = 1 385 × 5
• etc.

• Preceding numbers: …1 383, 1 384
• Following numbers: 1 386, 1 387…

Nearest numbers from 1 385

• Preceding prime number: 1 381
• Following prime number: 1 399

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• 1 385 est-il un nombre premier ?